67 AstronomyCALCULATING DISTANCES
A light-year (the distance light travels in a year) is to an Astronomical Unit (the distance from the Earth to the Sun) as a mile is to an inch.
Norman Brenner, Fleetwood, New York
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68 ClothingSPOTTING FOOT PROBLEMS
A sneaker sole worn along the outer edge indicates flat feet. A sole worn along the inner edge indicates a high arch.
Steven M. Keisman, New York City high school resource coordinator
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69 AppliancesSAVING ON COOLING
For every one degree you raise the temperature setting on your air conditioner thermostat, you increase energy efficiency by three percent.
Morning Edition, National Public Radio
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70 ChessWINNING AT CHESS
A knight at the rim is grim.
Norman Brenner, Fleetwood, New York
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71 Body LanguageWATCHING A YACHT RACE
Body English reveals a lot about a yacht racing tactician. When you see a tactician with his hands in his pockets, he's relaxed and comfortable with the way the race is going. When you see him with his hands folded across his chest, he's a little bit concerned. When his hands go on his hips, he's getting worried.
Gary Jobsen, yacht racing tactician and 12 meter specialist, ESPN America's Cup coverage
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72 DoctorsWHEN NOT TO GO TO THE HOSPITAL
Avoid going to the hospital in July. That's when all the new interns start work.
Norman Brenner, Fleetwood, New York
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73 UncategorizedRUNNING AN ADVERTISING AGENCY
Expect 40 percent of your employees to quit each year.
Anonymous
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74 Business PLANNING TOILET FACILITIES
One chemical toilet per 15 employees per week.www.swissrolexrex.co.uk
Steven M. Keisman, New York City high school resource coordinator
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75 GamblingPLAYING CARDS
Don't bet more money than you have in your pocket on any card game.
Martin M. Bruce Ph.D Ph.D, psychologist, Larchmont, New York
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76 FastenersUSING A ROPE
If you are using a rope with a knot or a sharp bend, you should assume that its strength is reduced by 50 percent.
Frank Potts, Salem, Oregon
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77 ExerciseCALCULATING THE VALUE OF EXERCISE
For each hour that you're physically active, you can expect to live two hours longer.
Robert H. Thomas, writer, Northville, Michigan
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